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Note 9 - Intangible Assets, Net (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		September 30, 2025
		Gross				Accumulated				Intangible
		Amount				amortization				assets, net
Patents		$	10,192			$	(6,709	)		$	3,483
Trademarks			236				(79	)			157
Total intangible assets		$	10,428			$	(6,788	)		$	3,640

		December 31, 2024
		Gross				Accumulated				Intangible
		Amount				amortization				assets, net
Patents		$	9,873			$	(6,355	)		$	3,518
Trademarks			218				(56	)			162
Total intangible assets		$	10,091			$	(6,411	)		$	3,680

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2025 (remaining 3 months)		$	113
2026			451
2027			451
2028			451
2029			451
2030 and thereafter			1,723
		$	3,640

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

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